Table 1.
Baseline and procedural characteristics of patients with congenital ventricular septal defect who underwent transcatheter device closure in both arrhythmia and nonarrhythmia groups
| Variables | Arrhythmia group (n = 95) | Nonarrhythmia group (n = 300) | Stathistical values | P |
|---|---|---|---|---|
| Male, n (%) | 49 (51.6) | 150 (50.0) | 0.072* | 0.789 |
| Age (years) | 4 (3–6) | 4 (3–6) | –0.347† | 0.728 |
| Weight (kg) | 17 (15–23) | 17 (15–22) | –0.201† | 0.841 |
| TTE findings | ||||
| Inlet diameter of VSD (mm) | 8.0 (6.0–11.0) | 7.0 (4.8–9.2) | –3.246† | 0.001 |
| Outlet diameter of VSD (mm) | 3.1 (2.7–4.0) | 3.0 (2.5–3.8) | –1.071† | 0.284 |
| Subaortic rim (mm) | 1.5 (0–2.4) | 2.0 (0–2.9) | –1.741† | 0.082 |
| Septal aneurysm, n (%) | 60 (63.2) | 174 (58.0) | 0.795* | 0.373 |
| Angiography findings | ||||
| Inlet diameter of VSD (mm) | 8.4 (6.0–11.0) | 7.4 (5.1–9.2) | –2.927† | 0.003 |
| Outlet diameter of VSD (mm) | 3.0 (2.3–4.3) | 2.8 (2.0–3.3) | –3.062† | 0.002 |
| Subaortic rim (mm) | 2.0 (0–2.8) | 2.0 (0–3.0) | –0.180† | 0.857 |
| Septal aneurysm, n (%) | 59 (62.1) | 171 (57.0) | 0.773* | 0.379 |
| Occluder size (mm) | 8 (7–10) | 6 (5–7) | –9.815† | <0.001 |
| Corrected occluder size (mm/m2) | 10.5 (8.1–14.0) | 8.0 (6.0–10.0) | –5.870† | <0.001 |
| Fluoroscopy time (min) | 21.5 (14.3–32.5) | 12.0 (8.0–17.5) | –8.250† | <0.001 |
| Deployment position (inlet), n (%) | 69 (72.6) | 234 (78.0) | 1.164* | 0.281 |
| Occluder type, n (%) | 42.685* | <0.001 | ||
| Symmetric occluder | 54 (17.9) | 351 (81.4) | ||
| Eccentric occluder | 29 (61.7) | 18 (38.3) | ||
| Small-waist occluder | 12 (25.5) | 35 (74.5) |
Data are expressed as n (%) or median (quartile). *χ2 values; †Z values. TTE: Transthoracic echocardiogram; VSD: Ventricular septal defect.